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Luba_88 [7]
3 years ago
11

Help (also tell me what the phenotype and genotypes are)

Chemistry
1 answer:
ad-work [718]3 years ago
7 0

Answer:

genotype are the organism's hereditary information for example DNA

phenotype are the organism's physical characteristics for example your eyes or hair

or how your nose looks

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Sắp xếp các hợp chất: HF, HI, HBr, HCl theo chiều giảm dần tính axit.
mixer [17]
I don’t know what to answer
6 0
2 years ago
Which pair of atoms has the highest electronegativity difference? Na-F Ca-F H-F C-F F-F
babunello [35]
The answer is Na-F. The F has highest electronegativity among these elements. So we need to find the element with smallest electronegativity. And this element is Na.
3 0
3 years ago
Read 2 more answers
How does a chemist count the number of particles in a given number of moles of a substance?
jolli1 [7]
The chemist the count the number of particles (Atoms, Molecules or Formula Unit) in a given number of moles of a substance by using following relationship.

                              Moles  =  # of Particles / 6.022 × 10²³

Or,

                              # of Particles  =  Moles × 6.022 × 10²³

So, from above relation it is found that 1 mole of any substance contains exactly 6.022 × 10²³ particles. Greater the number of moles greater will be the number of particles.
8 0
3 years ago
What is atom ? chemistry​
Neporo4naja [7]

Answer:

atom is the smallest unit of matter that has the characteristic properties of a chemical element. 

3 0
3 years ago
What is the temperature difference if 300 cal are used to warm water
PIT_PIT [208]

Answer:

<u>The temperature difference is</u> \frac{300}{m} Kkg^{-1}

Explanation:

The formula that is to used is :

ΔQ=msΔT

<em>where ,</em>

  • <em>ΔQ is the heat supplied in calories = 300cal</em>
  • <em>m is the mass of water taken = m (assumed)</em>
  • <em>ΔT is the change in temperature</em>
  • <em>s is the specific heat of water = 1calK^{-1}Kg^{-1}</em>

ΔT :

\frac{300}{m*1} \\=\frac{300}{m} Kkg^{-1}

6 0
3 years ago
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